Which of the following can beimplementedtoadd an additional layer of securitybetween acorporate networkandnetwork management interfaces?

• A.Jump box
• B.Console server
• C.API interface
• D.In-band management

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Early in the morning, an administrator installs a new DHCP server. In the afternoon, some users report they are experiencing network outages. Which of the following is the most likely issue?

• A.Theadministrator didnot provisionenough IP addresses.
• B.Theadministrator configured an incorrect default gateway.
• C.Theadministrator didnot provisionenough routes.
• D.Theadministrator didnot provisionenough MAC addresses.

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A network technician is troubleshooting a faulty NIC and tests the theory. Which of the following should the technician do next?

• A.Develop a theory.
• B.Establish a plan of action.
• C.Implement the solution.
• D.Document the findings.

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Which of the following is the first step in a problem-solving process when you want to understand the underlying cause of an issue?

• A.Use a top-down approach
• B.Conduct tests to verify ideas
• C.Handle multiple problems individually
• D.Create a theory about the possible root cause

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Users cannot connect to an internal website with an IP address 10.249.3.76. A network administrator runs a command and receives the following output:
1 3ms 2ms 3ms 192.168.25.234
2 2ms 3ms 1ms 192.168.3.100
3 4ms 5ms 2ms 10.249.3.1
4 *
5 '
6 *
7 *
Which of the following command-line tools is the network administrator using?

• A.tracert
• B.netstat
• C.tcpdump
• D.nmap

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